KR890014865A - Fuel controller - Google Patents

Fuel controller Download PDF

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Publication number
KR890014865A
KR890014865A KR1019890003101A KR890003101A KR890014865A KR 890014865 A KR890014865 A KR 890014865A KR 1019890003101 A KR1019890003101 A KR 1019890003101A KR 890003101 A KR890003101 A KR 890003101A KR 890014865 A KR890014865 A KR 890014865A
Authority
KR
South Korea
Prior art keywords
fuel
combustion engine
internal combustion
memory
control valve
Prior art date
Application number
KR1019890003101A
Other languages
Korean (ko)
Other versions
KR920009142B1 (en
Inventor
세쓰히로 시모무라
유끼노부 니시무라
Original Assignee
시끼 모리야
미쓰비시전기 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 시끼 모리야, 미쓰비시전기 주식회사 filed Critical 시끼 모리야
Publication of KR890014865A publication Critical patent/KR890014865A/en
Application granted granted Critical
Publication of KR920009142B1 publication Critical patent/KR920009142B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
    • F02D41/2448—Prohibition of learning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음.No content.

Description

연료제어장치Fuel controller

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이발명의 연료제어장치의 한실시예의 블록도.1 is a block diagram of one embodiment of a fuel control device of the present invention.

제2도는 제1도의 ECU의 내부구성을 나타낸 블록도.2 is a block diagram showing the internal structure of the ECU of FIG.

제3도는 동상의 ECU의 프로그램의 실행예를 표시한 프로챠트.3 is a flowchart showing an example of execution of a program of an in-phase ECU.

Claims (2)

연료 제어변의 작동에 따라 내연기관에 연료를 공급시키는 수단, 상기 내연기관의 흡기통로내에 설치되고 흡입공기량을 검출하는 흡기량센서, 이흡기량센서의 출력을 바탕으로하여 내연기관의 요구연료량을 연산하며 그기본치에 의하여의 상기 연료제어변을 제어하여 내연기관에 연료를 공급하도록 상기수단을 제어함과 동시에 내연기관의 배기관에 부착되고 공연비에 따라 출력을 발생시키는 공연비센서의 출력을 받아 공연비가 소망치로되도록 상기기본치를 부귀환보정하는 연료제어수단을 갖추고있으며, 이 연료제어수단은 상기 흡기량센서의 출력이 소정대표점의 근방에 있을때 상기 부귀 환보정량 또는 이에 관계되는량을 메모리에 리드인(read in)시키는 수단과, 상기 메모리의 내용에 의하여 상기 기본치를 보정하는 수단과, 캐니스터에 포착된 증발연료를 내연기관의 흡기계에 퍼지하는 통로에 설치된 퍼지제어변을 내연기관의 운전상태에 따라 개폐제어하는 수단과, 상기 퍼지제어변의 상태를 바탕으로 하여 상기 메모리의 리드인작동 금지기간을 결정하며 이간중에는 상기 메모리의 리드인동작을 금지시키는 수단등을 갖고 있는 연료제어장치.Means for supplying fuel to the internal combustion engine according to the operation of the fuel control valve, an intake air sensor installed in the intake passage of the internal combustion engine and detecting the intake air amount, and an output of the intake air amount sensor to calculate the required fuel amount of the internal combustion engine; The air-fuel ratio is controlled by receiving an output of an air-fuel ratio sensor which controls the means to supply fuel to the internal combustion engine by controlling the fuel control valve by the basic value and is attached to the exhaust pipe of the internal combustion engine and generates an output according to the air-fuel ratio. And a fuel control means for negative feedback correction of the basic value, wherein the fuel control means reads in the negative feedback correction amount or the related amount into the memory when the output of the intake air quantity sensor is near a predetermined representative point. Means for correcting the base value based on the contents of the memory, and a canister Means for opening / closing the purge control valve provided in the passage for purifying the evaporated fuel to the intake machine of the internal combustion engine according to the operating state of the internal combustion engine, and prohibiting the lead-in operation period of the memory based on the state of the purge control valve. And a means for prohibiting the lead-in operation of the memory during the interval. 청구범위 제1항에 있어서, 메모리의 리드인동작을 금지시키는 수단은 퍼지제어변의 개변된후 부터 타이머어 의하여 설정된 일정기간, 또는 퍼지통로의 유량적산치가 설정치에 도달할때까지의 기간에 해당하는 기간중에는 메모리의 리드인동작을 금지시키는 연료제어장치.2. The apparatus according to claim 1, wherein the means for prohibiting the read-in operation of the memory corresponds to a period of time set after the change of the purge control valve, or a period from which the accumulated value of the purge passage reaches the set value. A fuel control device for prohibiting the lead-in operation of the memory during the period. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890003101A 1988-03-23 1989-03-14 Fuel control device KR920009142B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP?63-71459 1988-03-23
JP63071459A JP2508180B2 (en) 1988-03-23 1988-03-23 Fuel control device

Publications (2)

Publication Number Publication Date
KR890014865A true KR890014865A (en) 1989-10-25
KR920009142B1 KR920009142B1 (en) 1992-10-13

Family

ID=13461187

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890003101A KR920009142B1 (en) 1988-03-23 1989-03-14 Fuel control device

Country Status (4)

Country Link
US (1) US4913121A (en)
JP (1) JP2508180B2 (en)
KR (1) KR920009142B1 (en)
DE (1) DE3908371A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482024A (en) * 1989-06-06 1996-01-09 Elliott; Robert H. Combustion enhancer
DE4111361A1 (en) * 1991-04-09 1992-10-15 Bosch Gmbh Robert TANK VENTILATION SYSTEM AND METHOD AND DEVICE FOR CHECKING IT
JPH0533733A (en) * 1991-05-20 1993-02-09 Honda Motor Co Ltd Vapor fuel controller of internal combustion engine
JPH051632A (en) * 1991-06-21 1993-01-08 Honda Motor Co Ltd Evaporated fuel control device of internal combustion engine
JP2812048B2 (en) * 1992-03-27 1998-10-15 三菱電機株式会社 Electronic control unit for internal combustion engine
US5302449A (en) * 1992-03-27 1994-04-12 Cardinal Ig Company High transmittance, low emissivity coatings for substrates
JP3168355B2 (en) * 1992-08-17 2001-05-21 株式会社ユニシアジェックス Air-fuel ratio control device for internal combustion engine
JPH08121214A (en) * 1994-10-19 1996-05-14 Sanshin Ind Co Ltd Combustion control device for two-cycle engine
US6453895B2 (en) * 2000-03-17 2002-09-24 Unisia Jecs Corporation Feedback control device and feedback control method of air-fuel ratio in internal combustion engine
AT9242U3 (en) * 2007-02-15 2008-03-15 Avl List Gmbh INDICATOR ARRANGEMENT AND METHOD FOR DETERMINING AN ENGINE VALUE

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130095A (en) * 1977-07-12 1978-12-19 General Motors Corporation Fuel control system with calibration learning capability for motor vehicle internal combustion engine
JPS57165644A (en) * 1981-04-07 1982-10-12 Nippon Denso Co Ltd Control method of air-fuel ratio
JPS58150057A (en) * 1982-03-01 1983-09-06 Toyota Motor Corp Study control method of air-fuel ratio in internal-combustion engine
JPS5954750A (en) * 1982-09-20 1984-03-29 Mazda Motor Corp Fuel controller of engine
KR890000497B1 (en) * 1983-11-21 1989-03-20 가부시기가이샤 히다찌세이사꾸쇼 Method of controlling air fuel ratio
JPH0726573B2 (en) * 1985-12-11 1995-03-29 富士重工業株式会社 Air-fuel ratio controller for automobile engine
JPS62206262A (en) * 1986-03-07 1987-09-10 Mitsubishi Motors Corp Electronic air-fuel ratio controlling method for internal combustion engine
JPH0723702B2 (en) * 1986-12-27 1995-03-15 マツダ株式会社 Fuel control device
JPH0737777B2 (en) * 1987-10-09 1995-04-26 三菱電機株式会社 Fuel control device

Also Published As

Publication number Publication date
DE3908371C2 (en) 1992-06-04
JP2508180B2 (en) 1996-06-19
DE3908371A1 (en) 1989-10-12
JPH01244134A (en) 1989-09-28
US4913121A (en) 1990-04-03
KR920009142B1 (en) 1992-10-13

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